packaging: added redis as cache backend

pkgs/python-packages.nix

@@ -686,6 +686,17 b' self: super: {'
       license = [ pkgs.lib.licenses.mit { fullName = "DFSG approved"; } ];
     };
   };
+  "redis" = super.buildPythonPackage {
+    name = "redis-2.10.6";
+    doCheck = false;
+    src = fetchurl {
+      url = "https://files.pythonhosted.org/packages/09/8d/6d34b75326bf96d4139a2ddd8e74b80840f800a0a79f9294399e212cb9a7/redis-2.10.6.tar.gz";
+      sha256 = "03vcgklykny0g0wpvqmy8p6azi2s078317wgb2xjv5m2rs9sjb52";
+    };
+    meta = {
+      license = [ pkgs.lib.licenses.mit ];
+    };
+  };
   "repoze.lru" = super.buildPythonPackage {
     name = "repoze.lru-0.7";
     doCheck = false;
@@ -733,6 +744,7 b' self: super: {'
       self."pyramid-mako"
       self."pygit2"
       self."repoze.lru"
+      self."redis"
       self."simplejson"
       self."subprocess32"
       self."subvertpy"

requirements.txt

@@ -20,6 +20,7 b' pyramid-mako==1.0.2'
 pygit2==0.28.2
 
 repoze.lru==0.7
+redis==2.10.6
 simplejson==3.16.0
 subprocess32==3.5.4
 subvertpy==0.10.1